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  1. #1
    Field Supervisor 500+ Posts Codex's Avatar
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    Mp4054 random duplex jams

    Hello
    As suggested i started a new thread for this problem.

    I have a Mp4054 with random duplex jams.. Very random, the customer says it happens only on cold machine and only during prints, but in the log i saw that i happened even after a print job of 200-300 sheets. During the service the machine jammed only two times at the same way,the first was a print.. The second a SMC printout... It seems that the paper comes out from the duplex tray for only a few centimeters, then feeds back in the machine and jams there,when everything works fine the paper comes out for about 15 cm and then feeds back in the machine. Six months ago we changed the Fusing Sleeve Assy and the entire duplex exit section for this random jams, i thought there was a faulty solenoid in the duplex unit. But now the problem is back (the customer was closed during lockdown, so he couldn't try the machine).


    Inviato dal mio SM-G935F utilizzando Tapatalk
    Memento Audere Semper

  2. #2
    Service Manager 1,000+ Posts
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    Re: Mp4054 random duplex jams

    And the paper is folded...
    That could mean that the exit sensor (or duplex sensor) is faulty, but that is not necessary so.
    At which spot / location does it indicate the jam?

  3. #3
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    Re: Mp4054 random duplex jams

    clutch

  4. #4
    Field Supervisor 500+ Posts Codex's Avatar
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    Re: Mp4054 random duplex jams

    Quote Originally Posted by Mark Bbb View Post
    And the paper is folded...
    That could mean that the exit sensor (or duplex sensor) is faulty, but that is not necessary so.
    At which spot / location does it indicate the jam?
    The location is J27 "Duplex Entrance"

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  5. #5
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    Re: Mp4054 random duplex jams

    Quote Originally Posted by Gab View Post
    clutch
    Wich?

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  6. #6
    Senior Tech 2,500+ Posts
    Mp4054 random duplex jams

    mikadonovan's Avatar
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    Re: Mp4054 random duplex jams

    Just a thought, is the paper full of moisture and causing feeding problems? You said they were closed during the lockdown, that means the machine was just sitting for a long time.
    NEVER ASSUME ANYTHING

  7. #7
    Technician johnnyquest's Avatar
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    Re: Mp4054 random duplex jams

    replace the exit assy, it warps and causes issues
    D2024405

  8. #8
    Copier Technician 1,000+ Posts
    Mp4054 random duplex jams

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    Re: Mp4054 random duplex jams

    Quote Originally Posted by Gab View Post
    clutch
    No clutch in duplex
    Regards Mark

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  9. #9
    Copier Technician 1,000+ Posts
    Mp4054 random duplex jams

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    Re: Mp4054 random duplex jams

    Quote Originally Posted by mikadonovan View Post
    Just a thought, is the paper full of moisture and causing feeding problems? You said they were closed during the lockdown, that means the machine was just sitting for a long time.
    +1 see if starts to roll on single side
    Regards Mark

    FOR TRADE AND END USER SERVICE CALLS PLEASE VISIT WEB SITE FOR CONTACT DETAILS. COVERING GREATER LONDON {UK} AND ALL SURROUNDING COUNTIES.

    RICOH, CANON, KYOCERA, KONICA, SHARP, HP/SAMSUNG BROTHER, LEXMARK.

    https://copierservices.simdif.com

  10. #10
    Field Supervisor 500+ Posts Codex's Avatar
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    Re: Mp4054 random duplex jams

    Quote Originally Posted by mikadonovan View Post
    Just a thought, is the paper full of moisture and causing feeding problems? You said they were closed during the lockdown, that means the machine was just sitting for a long time.
    Yes.. But i changed paper and the problem remains

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